Pain near left chest. Ecg and 2d echo!

Hi doctor, These are my symptoms from 1 year 1)numbness in hand and legs 2)pain that comes and go in left chest when i stand...now a days i am getting it while i was walking too. 3)pain in left hand shoulder 4)less sleep at night 4-5 hours...some days 5)i have excess dandruff in hair 6)i have acidity problem 7)some times i get pain in left ear. As I am having these symptoms from long time i went to hospital nearly 7 times..every cardiologist said..everything is fine after looking ECG and 2D ECHO reports...i have done my TMT test before 1 year and it is negative. But doctor when everything is good and normal. I dont know why i am having these pains. I am 23 years old.I usually think a lot about future.. like what is going to happen and who will stay. but now a days i am getting pain in left chest when i was standing or else walking.. please help me out doctor. please say me what to do.I used all my money for tests and yet no information :-( i am attaching my recent ECG and 2D ECHO